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प्रश्न
Explain why, food products containing fats and oils (like potato chips) are packaged in nitrogen.
स्पष्ट करा
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उत्तर
When the packed food is surrounded by an unreactive gas, such as nitrogen, there is no oxygen (in air) to cause oxidation and make it rancid. The manufacturers of potato chips (and similar food products) fill the plastic bags containing chips with nitrogen gas to prevent the chips from oxidising and turning rancid.
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